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If the rat ovariectomized, the rate probably has osteoporosis (T score of -2.5 or less). Assuming this is a bone density test, the injection of estrogen will increase bone density, bringing its T score back toward the range of osteopenia (-1 to -2.49) or within normal bone density range (1 to -0.99).

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What effect did the administration of estrogen injections have on the estrogen-treated rat?

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